Stats, frequency table, histogram
Triola data
Old Faithful
freq dist, histogram, stats ***
n=___
mean=_____ median=_____ mode(s)=_________ occur(s) ____ times
SD s=______
Sketch the boxplot and annotate it with the 5 numbers and IQR:
Outlier cutoffs:______________ (by the <,> 1.5*IQR method)
Outliers:______________________
2*s=_______ mean-2s=______ mean+2s=_____
Which datums are "statistically significant"___________________
i.e. not within 2 SD of the mean == More than 2 SD from the mean.
(Look in the Sorted Data and the Freq.Distr. table)
Sketch the histogram of class width of 10:
Annotate each class's bar with its frequency.
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Delete 125 203 205 in the input textbox, click the "Make the freq...."
n=____ (must be 47 to continue)
mean=_______ Did it change a lot?:____ (NB. wrong lesson here...)
SD s=______ Did it change a lot?:____
IQR=______ Did it change a lot?:____
Sketch the boxplot and annotate it with the 5 numbers and IQR:
Does the "stickgram" look normal?:______
Sketch the histogram of class width of 10 starting at 220:
Annotate each class's bar with its frequency.
Looks normal?:____
Make the frequency distribution table of this classed data,
include the relative frequencies:
The relative frequencies sum to _______